Does every switch need a relay?
A relay is an electrical switch that lets a low current circuit control a high current circuit such as a large LED light bar. If you are using a light pod that does not have a very large amp draw, you may not need a relay switch, but if you are using a larger LED light bar, they are a must have.
Why circuits are grounded?
Electrical devices are “grounded” when they connect to grounding devices for safety reasons. Grounding provides a safe “path of least resistance” for stray voltage to follow. Without grounding, power surges or equipment damage could render electrical circuits dangerous or destructive.
What kind of Honda Accord has no communication?
This is a 2000 Honda Accord 2.3 Vtech that cranks, doesn’t start and has no communication. It has over 230k miles on it. Check the main power relay before chasing powers & grounds for hours. Also shown are the ECU pinout guide and the diagram for the main power relay. Loading…
Why is my Honda PGM-FI main relay not working?
This feature is not available right now. Please try again later. http://www.vehix411.com Honda no start is a common problem with pgm-fi main relay going bad the car can start sometimes and can die out on the middle of the road go to http://www.vehix411.com for detailed diagnostic help. fuel pump not working or no power to engine computer .
How to identify a bad main relay on a Honda?
How to identify a bad main relay on a Honda (PGM-FI) Other symptoms include: stalling, long crank times, surging, bucking, poor transmission shifting. Some quick work with the test light allowed me to zero in on a PGM-FI main relay issue, which was confirmed by a visual inspection on the relay board itself.
Why does my Honda Accord have no start?
This is a 1999 Honda Accord with an intermittent no start complaint. Other symptoms include: stalling, long crank times, surging, bucking, poor transmission shifting. Some quick work with the test light allowed me to zero in on a PGM-FI main relay issue, which was confirmed by a visual inspection on the relay board itself.
Is there a problem with the main relay in a Honda?
From time to time, vehicles can experience a wide range of electrical issues—even those that are reliable, like Hondas. One of those problems can involve the main relay. Fortunately, you might not have to rush off to a mechanic to check the relay in your Honda.
Why is my Honda no start on YouTube?
Honda No Start? POSSIBLE Main Relay – EricTheCarGuy – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
How can I tell if my main relay is working?
There’s a pretty simple way to tell if your main relay is affected. Simply turn on the vehicle and see if it continues to run. If so, the main relay is okay. Should the engine shut off, the main relay could be impacted.
What does a main relay do in a car?
Relays can also switch multiple things on simultaneously while using one output, allowing, for instance, you to turn on your car’s radio at the same time the antenna extends. The main relay in a vehicle controls the fuel pump and supplies power to the injectors.